RELATED: Cast Reunions: See Costars Then And Now “It feels so great to be reunited,” Mac Graw told PEOPLE in July, before the premiere of was a critical and popular smash, earning seven Oscar nominations and coining the iconic line, “Love means never having to say you’re sorry.” The film went on to gross 6 million domestically, and adjusted for inflation, it’s one of the top 40 highest-grossing movies of all time.

Actors Ali Mac Graw and Ryan O'Neal are returning to Harvard University more than 45 years after the release of their 1970 classic "Love Story." The duo, now in their 70s, will be reflecting on their careers Monday afternoon in a conversation moderated by arts journalist Alicia Anstead.

LOVE LETTERS is the story of Andrew Makepeace Ladd III (O'Neal) and Melissa Gardner (Mac Graw), two young people from similar backgrounds who take very different paths in life.

One-time onscreen "it" couple Ryan O’Neal and Ali Mac Graw became major stars when they played ill-fated young lovers in the 1970 film "Love Story." But while they had the entire country sobbing to the infamous line “Love means never having to say you’re sorry," they haven't worked together since. We recently caught up with them as they prepare for their return to Boston, where the film was made, for what promises to be an incredible reunion. I don’t remember anyone at that level getting together like that back then.

More than 45 years after a wealthy Harvard prep first fell in love with a working-class Radcliffe student, Jenny and Oliver have returned to Harvard.